ASoC: qdsp6: q6asm: fix q6asm_dai_prepare error handling

Error handling in q6asm_dai_prepare() seems to be completely broken,
Fix this by handling it properly.

Fixes: 2a9e92d371 ("ASoC: qdsp6: q6asm: Add q6asm dai driver")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20211116114721.12517-4-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/qcom/qdsp6/q6asm-dai.c

@@ -269,9 +269,7 @@ static int q6asm_dai_prepare(struct snd_soc_component *component,
 
 	if (ret < 0) {
 		dev_err(dev, "%s: q6asm_open_write failed\n", __func__);
-		q6asm_audio_client_free(prtd->audio_client);
-		prtd->audio_client = NULL;
-		return -ENOMEM;
+		goto open_err;
 	}
 
 	prtd->session_id = q6asm_get_session_id(prtd->audio_client);
@@ -279,7 +277,7 @@ static int q6asm_dai_prepare(struct snd_soc_component *component,
 			      prtd->session_id, substream->stream);
 	if (ret) {
 		dev_err(dev, "%s: stream reg failed ret:%d\n", __func__, ret);
-		return ret;
+		goto routing_err;
 	}
 
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
@@ -301,10 +299,19 @@ static int q6asm_dai_prepare(struct snd_soc_component *component,
 	}
 	if (ret < 0)
 		dev_info(dev, "%s: CMD Format block failed\n", __func__);
-
+	else
 		prtd->state = Q6ASM_STREAM_RUNNING;
 
-	return 0;
+	return ret;
+
+routing_err:
+	q6asm_cmd(prtd->audio_client, prtd->stream_id,  CMD_CLOSE);
+open_err:
+	q6asm_unmap_memory_regions(substream->stream, prtd->audio_client);
+	q6asm_audio_client_free(prtd->audio_client);
+	prtd->audio_client = NULL;
+
+	return ret;
 }
 
 static int q6asm_dai_trigger(struct snd_soc_component *component,